CN209559294U - A kind of lorry brake water volume in water tank available duration monitoring device - Google Patents
A kind of lorry brake water volume in water tank available duration monitoring device Download PDFInfo
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- CN209559294U CN209559294U CN201920311310.3U CN201920311310U CN209559294U CN 209559294 U CN209559294 U CN 209559294U CN 201920311310 U CN201920311310 U CN 201920311310U CN 209559294 U CN209559294 U CN 209559294U
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- water
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Abstract
The utility model proposes a kind of lorry brake water volume in water tank available duration monitoring device, water tank surplus water available duration has been calculated using duration by recording water tank, has preferably solved the problems, such as traffic accident caused by the excessive water drenching waste water resource of lorry spraying water for brake device and the profile high temperature because of caused by water shortage.The water storage total amount of water tank is directly determined by water tank size, the water outlet constant airspeed of the water drenching device, monitors the duration that the duration indirect monitoring that water drenching device switch is opened works to water drenching device by monitor.The function of the monitoring device has: can according to water tank size by key sets itself always using duration, there are can be manually adjusted when slight error current water tank surplus water available duration, charactron and LED light for show current water tank surplus water available duration, eye-catching light prompt working condition, water shortage when can issue warning note sound.The device can preferably solve the problems, such as that braking water sprinkler of automobile water shortage causes traffic accident caused by high temperature of braking.
Description
Technical field
It is specifically a kind of logical the utility model relates to a kind of electronic equipment for monitoring lorry water tank surplus water available duration
Overwriting water tank has calculated the monitor of water tank surplus water available duration using duration, belongs to automobile parts apparatus field.
Background technique
Now, spraying water for brake device, which has become, runs the essential configuration of mountain area truck.Truck is in lower long slope process
In due to vehicle mass weight, inertia is big, slightly for a long time brake brake block will be allowed to overheat, so as to cause brake failure, this right and wrong
Often dangerous.Currently, truck is all by realizing cooling to brake block water drenching in brake process.But the complete length under
Behind slope, truck man often is forgotten to close after opening water tank valve switch, and the not device of water quantity monitoring on vehicle.When
When to lower long slope next time, truck man will not know water tank surplus water can also with how long, at this time just in case water
It is not enough, it is easy for leading to that traffic accident occurs because brake block overheats failure.Therefore design it is a possess can monitor lorry
Brake water tank surplus water available duration, water tank working status indication, water volume in water tank deficiency alarm, can be voluntarily according to water tank size
Setting and adjusting use the device of duration function to become a kind of needs, can not only reduce caused hand over because brake is generated heat in this way
Interpreter's event, while valuable water resource can also be saved.
Summary of the invention
Based on the above issues, the utility model proposes one kind has calculated water tank residue water by recording water tank using duration
The monitoring device of available duration is measured, preferably solves the excessive water drenching waste water resource of lorry spraying water for brake device and because taking turns caused by water shortage
The problem of traffic accident caused by wide high temperature.The function of the monitoring device has: can pass through key sets itself according to water tank size
Always using duration, there are can manually adjust current water tank surplus water available duration, charactron and LED light when slight error to be used for
Warning note can be issued when showing available duration, the eye-catching light prompt working condition, water shortage of current water tank surplus water
Sound.
The technical scheme adopted by the utility model to solve the technical problem is as follows: when a kind of lorry brake water volume in water tank can be used
Long monitoring device, comprising: water drenching device switch and monitor, water drenching device switch use duplex double-pole single throw, the monitor
It include: processing module, control module, adjustment module, memory module, current value display module, alarm module, working status indication
Module, voltage reduction module are electrical connection between each module；The processing module is processing chip with STC89C52RC chip, should
Chip is common chip in the market, including the reset circuit of R1, C2 composition, the oscillating circuit of C4, C5, Y1 composition, C1, C6
The filter circuit of composition；For the control module using duplex double-pole single throw as controller, duplex double-pole single throw pin 1 is logical
It crosses and is connect with P27 mouthfuls of STC89C52RC chip, pin 2 is connected to power cathode, and duplex double-pole single throw is connected low when being closed
Current potential, is high potential when disconnection, and water valve pin is supervised when opening for connecting 24V power supply and solenoid valve, duplex double-pole single throw
Surveying device can work at the same time with water drenching device, and two pairs of pins are independent of each other；The adjustment module by "+" key, "-" key, " set
Key and Reset key composition, key one end are connected on the P23-P26 mouth of STC89C52RC chip calmly ", the other end
Low potential is connected, is low potential by key pressing, unclamps for high potential；The memory module is using AT24C02 chip as memory, core
Piece 5,6 feet are separately connected P33 and P32 mouthfuls of STC89C52RC chip, and when a system is powered up, processing module is read from memory module
Initial value when current water volume in water tank available duration and water tank are filled, when pressing " setting " key, water tank is written in memory module
Setting value when filling water and as initial value, when duplex double-pole single throw is by being opened to closed state, memory module is write
Enter current water tank surplus water available duration；The current value display module mainly includes 2 common anode charactrons and three
Red LED lamp, 2 common anode number pipeline section choosings are controlled by the P1 mouth of STC89C52RC chip, and 2 common anode charactron position choosings are will to locate
Reason P20 and P21 mouthfuls of module I/O port signal is amplified and then is connected thereto by PNP triode, 3 red LED lamps respectively by
P35, P36, P37 control；The amplification of processing module P22 message number is controlled active buzzing by PNP triode by the alarm module
Device work, alarms for water shortage；The working status indication module is made of a blue LED lamp, is connected directly between place
It manages on module P34 mouth, flash for the period with 1 second when work and be used to indicate working state of system；Voltage reduction module is with LM2576-
5V is decompression chip, and R7 is current-limiting resistance, and LED5 is power supply indicator, and D3 is freewheeling diode for preventing power positive cathode anti-
It connects；
Water drenching device switch on driver's cabin control panel, respectively accounts for a switch hole with monitor accommodated side-by-side；
The water storage total amount of water tank is directly determined by water tank size, the water outlet constant airspeed of the water drenching device, monitor and leaching
Hydrophone switch be connected directly, by monitor monitor water drenching device switch open duration indirect monitoring to water drenching device work when
It is long, and then calculate the water volume in water tank used time；
The available duration that water tank fills water is to be set by user with key, rather than pass through sensor or its other party
Method carries out detection acquisition to water volume in water tank, sets reset key on monitor, after water tank again topped up with water, can allow water by key
Case water available duration is returned to initial value；Regulating key is set on monitor, can set when in use can with regulating tank water
With duration slight error value；
When water drenching device, which switchs, to be opened, monitor records the opening duration of switch in real time, and water tank is discharged constant airspeed, passes through
The initial value that the value for reading last water tank surplus water available duration from memory module is opened as this, and be with one minute
Unit is successively decreased, and the value of surplus water of successively decreasing every time available duration, which can be all stored in memory module, is simultaneously displayed on display
On；
Specifically, when water drenching device, which switchs, to be opened, 2 common anode charactrons and red LED lamp combination display are surplus on monitor
Remaining water available duration, 1 red LED lamp indicate 1 hour, and numerical value indicates the number of minutes on 2 common anode charactrons, residual time length=
The red LED number * 60+ charactron numerical value lighted, surplus water=total amount-speed * time；
Preferably, monitor blue LED light was flashed with 1 second for the period, was used to indicate when water drenching device is switched and opened
Working condition；
Preferably, when remaining 10 minutes, 5 minutes of water volume in water tank and it is anhydrous when monitor respectively alarm a sound；This
The beneficial effect of utility model is can to show water tank surplus water available duration and current water drenching device working condition for driver,
The alarm of water volume in water tank deficiency and key regulatory function are provided；It is external only to need since the present apparatus is mounted on driver's cabin control panel
Two power supply lines are connected to 24V power supply, two control lines are connected to duplex double-pole single throw, are risen respectively as system power supply and control
The effect of system processed；The device does not connect sensor simultaneously, and without being modified to cisten mechanism, therefore the device has knot
Structure is simple, it is easy for installation, low in cost, be easily manipulated, without changing vehicle structure the features such as, excessive water drenching wave can be effectively prevent
Traffic accident caused by profile high temperature caused by water wasting resource and water shortage, the water drenching suitable for various load-carrying vehicle braking systems are dropped
Temperature.
Detailed description of the invention:
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the program flow diagram of the utility model；
Fig. 3 and Fig. 4 is the circuit diagram of the utility model；
Fig. 5 is the structural schematic diagram of the utility model；
1. processing module in figure, 2. control modules, 3. adjustment modules, 4. memory modules, 5. current value display modules, 6. reports
Alert module, 7. working status indication modules, 8. voltage reduction modules, 9. duplex double-pole single throws, 10. water valve pins, 11. pins 1,
12. 2,13.2 common anode charactrons of pin, 14. red LED lamp, 1 hour marker, 15. red LED lamp, 2 hour marker, 16. "-"
Key, 17. " setting " keys, 18.+24V power supply, 19. power cathodes, 20. Reset keys, 21. "+" keys, 22. blues
LED light, 23. red LED lamp, 3 hour marker.
Specific embodiment:
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
A kind of lorry brake water volume in water tank available duration monitoring device, comprising: water drenching device switch and monitor；Water drenching device is opened
It closes and uses duplex double-pole single throw, monitor includes: processing module, control module, adjustment module, memory module, current value
Display module, alarm module, working status indication module, voltage reduction module are electrical connection between each module.
In Fig. 1, processing module (1) unidirectionally reads adjustment module (3) and control module (2) signal, processing module (1) with
It is both-way communication between memory module (4), i.e., not only writable data but also can be read and deposit in memory module (4) processing module (1)
Store up the data in module (4), current value display module (5), working status indication module (7), alarm module (6) receiving area Jun Zhi
The alternative order of module (1) is managed, 24V voltage is reduced to 5V voltage and provides power supply for system by voltage reduction module (8).
In Fig. 2, program is started to work after connecting with the mains from system, and processing module (1) starts to read in memory module (4)
Numerical value and current value is shown, then scan the key on adjustment module (3), wherein "+" key (21) "-" key
(16) current water tank surplus water available duration is adjusted for driver, regulated value can directly display over the display, and " setting " is pressed
Key (17) fills use duration when water for driver according to water tank size self-setting water tank, and Reset key (20) is for every
Water volume in water tank available duration is restored to setting value when secondary topped up with water.Then, processing module (1) starts scan control module (2), when
Processing module (1) controls alarm module (6), current value display module (5), work shape when duplex double-pole single throw (9) is opened
State indicating module (7) cycle operation always, when remaining 10 minutes, 5 minutes of water volume in water tank and anhydrous alarm module (6) are respectively reported
Alert primary, when duplex double-pole single throw is opened, 2 common anode charactrons (13) and red LED lamp (23,14,15) can be shown surplus
Remaining water available duration, blue LED lamp (22) were flashed with 1 second for the period, and 1 red LED lamp indicates 1 hour, 2 common anode numbers
Numerical value indicates the number of minutes on pipe (13), the red LED number * 60+ charactron numerical value for residual time length=light.When duplex double-pole single-throw (D.P.S.T.)
Processing module (1) controls current value display module (5), alarm module (6), work when switch (9) is converted to close off state by opening
Make state indicator module (7) and exit circulation to stop working, and current value is stored in memory module (4), program again will be from scanning
Adjustment module (3) starts the cycle over；
In Fig. 3, processing module (1) is processing chip with STC89C52RC chip, including the reset of R1, C2 composition
Circuit, the oscillating circuit of C4, C5, Y1 composition, the filter circuit of C1, C6 composition；Control module (2) is with duplex double-pole single throw
It (9) is controller, duplex double-pole single throw (9) pin 1 (11) with P27 mouthfuls of STC89C52RC chip by connecting, pin 2
(12) it is connected to power cathode, duplex double-pole single throw (9) connects low potential when being closed, when disconnection is high potential, and water valve draws
Foot (10) is for connecting+24V power supply and solenoid valve, and monitor can be worked at the same time with water drenching device when switch is opened, two pairs of pins
It is independent of each other.Adjustment module (3) is pressed for Reset key (20) 4 by "+" key (21) "-" key (16) " setting " key (17)
Key composition, one end are separately connected the P23-P26 mouth on STC89C52RC chip, and the key other end connects low potential, by key pressing
For low potential, unclamp for high potential；Using AT24C02 chip as memory, chip 5,6 feet are separately connected memory module (4)
P33 and P32 mouthfuls of STC89C52RC chip, when a system is powered up, processing module read current water volume in water tank from memory module (4)
Setting value when available duration and water tank are filled, when pressing " setting " key (17) key, memory module (4) write-in water tank is filled
Setting value when water, when duplex double-pole single throw (9) is by being opened to closed state, current water tank is written in memory module (4)
Surplus water available duration can prevent loss of data after power down, guarantee the reliability and integrality of data.
In Fig. 4, current value display module (5) is mainly by 2 common anode charactrons (13) and three red LED lamps
(23,14,15) it forms, 2 common anode charactron (13) Duan Xuan are controlled by the P1 mouth of STC89C52RC chip, 2 common anode charactrons
(13) position choosing is that I/O port signal is amplified and then be connected thereto by PNP triode by (1) P20 and P21 mouthfuls of processing module, 3
A red LED lamp (23,14,15) is controlled by P35, P36, P37 respectively；Alarm module (6) passes through PNP triode for processing module
(1) P22 message number amplification control active buzzer work, alarms for water shortage；Working status indication module (7) is by one
Blue led (22) composition, the electric current as needed for LED light is smaller, can be connected directly between on processing module (1) P34 mouth, when work with
Flashing is carried out for the period within 1 second be used to indicate working state of system；Voltage reduction module (8) is decompression chip with LM2576-5V, and R7 is limited
Leakage resistance, LED5 are power supply indicator, and D3 is freewheeling diode for preventing power positive cathode to be reversely connected.
In Fig. 5, duplex double-pole single throw (9) and monitor accommodated side-by-side respectively account for one on driver's cabin control panel
A switch hole is connected to duplex double-pole single throw (9) pin 1 (11) by conducting wire for P27 mouthfuls in monitor processing module (1)
On, pin 2 (12) is connected to GND (12) by conducting wire, and duplex double-pole single throw (9) control pin (10) is for connecting battery
Valve and+24V power supply, 18 pin of monitor and 19 pins are separately connected+24V and cathode is the input port of voltage reduction module (8)；When
When duplex double-pole single throw (9) is opened, current value display module (5) shows respective value, and working station indicator (22) dodges
Bright, when duplex double-pole single throw (9) is in close state, current value display module (5) and blue LED lamp (22), which are in, puts out
It goes out state；When pressing any key (16,17,20,21) for the first time, current value display module (5) shows numerical value, if pressing in 10 seconds
Key does not act, and display module (5) will not change automatic distinguishing system value, so that monitor can save power consumption, prolong
The service life of long complete machine.
Since lorry water volume in water tank is constant, the water speed that goes out of water tank is also kept constant after the pressurizing, therefore truck man is past
Toward water tank surplus water available duration is rule of thumb judged, the utility model is indirect by the duration that monitoring water drenching device switch is opened
It monitors the duration of water drenching device work and then calculates the water volume in water tank used time, user is set by the key on monitor
Determine the initial value that water tank fills water, water drenching device switch is opened, and monitor records the opening duration of switch in real time, by from storage mould
Initial value that block, which reads the value of last water tank surplus water available duration as this, to be opened simultaneously is carried out as unit of one minute
Successively decrease, the value of surplus water of successively decreasing every time available duration, which can be all stored in memory module, to be simultaneously displayed on display；Work as water tank
After topped up with water, the surplus water available duration of monitor can be reset to the initial value that water tank fills water by key by user, weight
Newly start to monitor.
It certainly, is the preferred embodiment of the present invention above.It should be pointed out that for those skilled in the art
For, without departing from the basic principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (5)
- The water volume in water tank available duration monitoring device 1. a kind of lorry brakes, characterized in that it include: water drenching device switch and monitor, Water drenching device switch uses duplex double-pole single throw, and the monitor includes: processing module, control module, adjustment module, storage Module, current value display module, alarm module, working status indication module, voltage reduction module are electrical connection between each module； The processing module is processing chip with STC89C52RC chip, including the reset circuit of R1, C2 composition, C4, C5, Y1 group At oscillating circuit, C1, C6 composition filter circuit；The control module is using duplex double-pole single throw as controller, duplex For double-pole single throw pin 1 by connecting with P27 mouthfuls of STC89C52RC chip, pin 2 is connected to power cathode, duplex double-pole list Throw switch connects low potential when being closed, and when disconnection is high potential, and for water valve pin for connecting 24V power supply and solenoid valve, duplex is double Monitor can be worked at the same time with water drenching device when monopole single throw switch is opened, and two pairs of pins are independent of each other；The adjustment module is by "+" Key, "-" key, " setting " key and Reset key composition, key one end is connected to STC89C52RC chip On P23-P26 mouth, the other end connects low potential, is low potential by key pressing, unclamps for high potential；The memory module with AT24C02 chip is memory, and chip 5,6 feet are separately connected P33 and P32 mouthfuls of STC89C52RC chip, when a system is powered up, place Reason module reads current water volume in water tank available duration and initial value when water tank is filled from memory module, presses when pressing " setting " When key, setting value when memory module write-in water tank fills water and as initial value, when duplex double-pole single throw is by being opened to When closed state, current water tank surplus water available duration is written in memory module；The current value display module is mainly by one 2 Position common anode charactron and three red LED lamp compositions, 2 common anode number pipeline section choosings are controlled by the P1 mouth of STC89C52RC chip, and 2 The choosing of position common anode charactron position is to amplify I/O port signal by PNP triode for P20 and P21 mouthfuls of processing module and then be connected to it On, 3 red LED lamps are controlled by P35, P36, P37 respectively；The alarm module is by PNP triode by P22 mouthfuls of processing module Signal amplification control active buzzer work, alarms for water shortage；The working status indication module includes a blue LED light is connected directly between on processing module P34 mouth, with 1 second for the period carries out flashing when work and be used to indicate system to work shape State；Voltage reduction module is decompression chip with LM2576-5V, and R7 is current-limiting resistance, and LED5 is power supply indicator, and D3 is freewheeling diode For preventing power positive cathode to be reversely connected；Water drenching device switch on driver's cabin control panel, respectively accounts for one with monitor accommodated side-by-side Switch hole；The water storage total amount of water tank is directly determined by water tank size, the water outlet constant airspeed of the water drenching device, monitor and water drenching Device switch is connected directly, and monitors the duration that the duration indirect monitoring that water drenching device switch is opened works to water drenching device by monitor, And then calculate the water volume in water tank used time.
- The water volume in water tank available duration monitoring device 2. a kind of lorry according to claim 1 brakes, it is characterized in that: working as water drenching When device switch is opened, monitor records the opening duration of switch in real time, and water tank is discharged constant airspeed, by reading from memory module The initial value that the value of last water tank surplus water available duration is opened as this, and successively decreased as unit of one minute, The value for surplus water available duration of successively decreasing every time, which can be all stored in memory module, to be simultaneously displayed on display.
- The water volume in water tank available duration monitoring device 3. a kind of lorry according to claim 1 brakes, it is characterized in that: working as water drenching When device switch is opened, 2 common anode charactrons and red LED lamp combination display surplus water available duration, 1 red on monitor LED light indicates 1 hour, and numerical value indicates the number of minutes on 2 common anode charactrons, the red LED number * 60+ number for residual time length=light Code pipe numerical value, surplus water=total amount-speed * time.
- The water volume in water tank available duration monitoring device 4. a kind of lorry according to claim 1 brakes, it is characterized in that: working as water drenching When device switch is opened, monitor blue LED light was flashed with 1 second for the period, was used to indicate working condition.
- The water volume in water tank available duration monitoring device 5. a kind of lorry according to claim 1 brakes, it is characterized in that: working as water tank Remaining 10 minutes, 5 minutes of water and it is anhydrous when monitor respectively alarm a sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311310.3U CN209559294U (en) | 2019-03-12 | 2019-03-12 | A kind of lorry brake water volume in water tank available duration monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311310.3U CN209559294U (en) | 2019-03-12 | 2019-03-12 | A kind of lorry brake water volume in water tank available duration monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN209559294U true CN209559294U (en) | 2019-10-29 |
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| CN201920311310.3U Expired - Fee Related CN209559294U (en) | 2019-03-12 | 2019-03-12 | A kind of lorry brake water volume in water tank available duration monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026520A (en) * | 2020-08-13 | 2020-12-04 | 北京汽车集团越野车有限公司 | Windscreen wiper device, control method and device thereof and automobile |
-
2019
- 2019-03-12 CN CN201920311310.3U patent/CN209559294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026520A (en) * | 2020-08-13 | 2020-12-04 | 北京汽车集团越野车有限公司 | Windscreen wiper device, control method and device thereof and automobile |
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